CVE-2018-12904
Medium
Description
In arch/x86/kvm/vmx.c in the Linux kernel before 4.17.2, when nested virtualization is used, local attackers could cause L1 KVM guests to VMEXIT, potentially allowing privilege escalations and denial of service attacks due to lack of checking of CPL.
SeverityMedium
CVSS4.9
Exploit probability—
Product
Linux Kernel
PublishedJun 27, 2018
First seenJun 27, 2018
How to fix
Update
- linux linux_kernel4.17.2 or later
Vendor advisories
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| linux linux_kernel | v < 4.17.2 | 4.17.2 |
| canonical ubuntu_linux | 16.04, 18.04 | — |
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